Royal Society of Chemistry

The origin of the antiferromagnetic behaviour of the charge-transfer compound (HMTTF)[Ni(mnt)2]

Dalton Transactions - 16 December, 2014 - 10:54

Dalton Trans., 2015, 44,608-614
DOI: 10.1039/C4DT03117B, PaperSergi Vela, Maria Fumanal, Merce Deumal
Herein we disclose the origin of the magnetic behaviour of the remarkable (HMTTF)[Ni(mnt)2] charge-transfer compound.
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Facilely synthesized benzotriazole phenolate zirconium complexes as versatile catalysts for copolymerization of carbon dioxide with cyclohexene oxide and lactide polymerization

Dalton Transactions - 16 December, 2014 - 10:54

Dalton Trans., 2015, 44,598-607
DOI: 10.1039/C4DT02774D, PaperHui-Ju Chuang, Bao-Tsan Ko
New zirconium complexes bearing benzotriazole phenolate ligands were demonstrated to be versatile catalysts for CO2/CHO copolymerization and lactide polymerization.
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Tunable optical properties of hybrid inorganic-organic [(TiO2)m(Ti-O-C6H4-O-)k]n superlattice thin films

Dalton Transactions - 16 December, 2014 - 10:54

Dalton Trans., 2015, 44,591-597
DOI: 10.1039/C4DT02550D, PaperJanne-Petteri Niemela, Maarit Karppinen
The ALD/MLD technique can be used to fabricate superlattice structures with single-molecular organic layers between thicker TiO2 layers. The organic layers enable systematic control of the optical properties of TiO2 thin films, a fact that could be of substantial interest for photocatalysis and solar cell applications.
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An expedient approach to synthesize fluorescent 3-substituted 4H-quinolizin-4-ones via ([small eta]4-vinylketene)-Fe(CO)3 complexes

Dalton Transactions - 16 December, 2014 - 10:54

Dalton Trans., 2015, 44,578-590
DOI: 10.1039/C4DT03021D, PaperAlfredo Rosas-Sanchez, Ruben A. Toscano, Jose G. Lopez-Cortes, M. Carmen Ortega-Alfaro
From simple starting materials, an efficient methodology for the synthesis of 3-substituted 4H-quinolizin-4-ones using ([small eta]4-vinylketene)-Fe(CO)3 complexes as key intermediates was developed. Fluorescent properties and quantum yields were determined.
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Influence of lithium concentration on the structure and Li+ transport properties of cubic phase lithium garnets

Dalton Transactions - 16 December, 2014 - 10:54

Dalton Trans., 2015, 44,539-552
DOI: 10.1039/C4DT02861A, PaperS. Ramakumar, N. Janani, Ramaswamy Murugan
The 3-D lithium sub-network formed through the partitioning of lithium atoms among tetrahedral and octahedral sites along with an introduction of optimal vacancies in tetrahedral and octahedral coordinated sites are the reasons for the observed fast Li+ conduction with lesser activation energy in the stuffed lithium garnets.
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Synthesis, characterization and biomolecule-binding properties of novel tetra-platinum(II)-thiopyridylporphyrins

Dalton Transactions - 16 December, 2014 - 10:54

Dalton Trans., 2015, 44,530-538
DOI: 10.1039/C4DT02697G, PaperLeandro M. O. Lourenco, Bernardo A. Iglesias, Patricia M. R. Pereira, Henrique Girao, Rosa Fernandes, Maria G. P. M. S. Neves, Jose A. S. Cavaleiro, Joao P. C. Tome
New tetra-platinum(II)-thiopyridylporphyrin complexes and their DNA binding studies.
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Microwave-assisted preparation of 4-amino-3-cyano-5-methoxycarbonyl-N-arylpyrazoles as building blocks for the diversity-oriented synthesis of pyrazole-based polycyclic scaffolds

Org. and Biomol. Chem. - 15 December, 2014 - 23:17

Org. Biomol. Chem., 2015, 13,409-423
DOI: 10.1039/C4OB01951B, PaperLaurent Le Corre, Lotfi Tak-Tak, Arthur Guillard, Guillaume Prestat, Christine Gravier-Pelletier, Patricia Busca
The obtention of 4-amino-3-cyano-N-arylpyrazoles via a [small mu ]W mediated cyclization allowed the diversity oriented syntheses of various heteroyclic scaffolds.
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PEGylation enhances the tumor selectivity of melanoma-targeted conjugates

Org. and Biomol. Chem. - 15 December, 2014 - 23:17

Org. Biomol. Chem., 2015, 13,388-397
DOI: 10.1039/C4OB01751J, PaperMathieu Andre, Sophie Besse, Jean-Michel Chezal, Emmanuelle Mounetou
Three preselected conjugates of 5-iodo-2[prime or minute]-deoxyuridine (IUdR) to the ICF01012 melanoma-carrier, PEGylated and non-PEGylated, were radiolabelled with iodine-125, and their in vivo distribution profile was evaluated for potential intratumoural selective delivery.
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pH response and molecular recognition in a low molecular weight peptide hydrogel

Org. and Biomol. Chem. - 15 December, 2014 - 23:17

Org. Biomol. Chem., 2015, 13,561-569
DOI: 10.1039/C4OB02069C, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Stefanie C. Lange, Jan Unsleber, Patrick Drucker, Hans-Joachim Galla, Mark P. Waller, Bart Jan Ravoo
The preparation and characterization of a tripeptide based hydrogel, which possesses characteristic rheological properties, is pH responsive and can be functionalized at its thiol function is reported.
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Cyclen-based cationic lipids containing a pH-sensitive moiety as gene delivery vectors

Org. and Biomol. Chem. - 15 December, 2014 - 23:17

Org. Biomol. Chem., 2015, 13,620-630
DOI: 10.1039/C4OB01856G, PaperZheng Huang, Yan-Hong Liu, Yi-Mei Zhang, Ji Zhang, Qiang Liu, Xiao-Qi Yu
Imidazole-functionalized cationic lipids with a cyclen headgroup were synthesized, and the structure-activity relationship in gene delivery mediated by these lipids was discussed.
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Trifluoromethanesulfonyloxy-group-directed regioselective (3 + 2) cycloadditions of benzynes for the synthesis of functionalized benzo-fused heterocycles

Org. and Biomol. Chem. - 15 December, 2014 - 23:17

Org. Biomol. Chem., 2015, 13,520-526
DOI: 10.1039/C4OB01627K, PaperTakashi Ikawa, Hideki Kaneko, Shigeaki Masuda, Erika Ishitsubo, Hiroaki Tokiwa, Shuji Akai
Highly regioselective (3 + 2) cycloadditions of 3- and 4-TfO-benzynes with 1,3-dipoles followed by cross-coupling reactions provided multisubstituted benzo-fused heterocycles.
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Construction of dispirocyclohexanes via amine-catalyzed [2 + 2 + 2] annulations of Morita-Baylis-Hillman acetates with exocyclic alkenes

Org. and Biomol. Chem. - 15 December, 2014 - 23:17

Org. Biomol. Chem., 2015, 13,398-408
DOI: 10.1039/C4OB01927J, PaperRongshun Chen, Silong Xu, Xia Fan, Hanyuan Li, Yuhai Tang, Zhengjie He
Divergent amine-catalyzed [2 + 2 + 2] annulations of Morita-Baylis-Hillman acetates with exocyclic alkenes were developed for the convergent construction of multistereogenic dispirocyclohexanes.
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Facile and High-yield Formation of Dipyrrin-Boronic Acid Dyads and Triads: Light-Harvesting System in the Visible Region Based on Efficient Energy Transfer

Org. and Biomol. Chem. - 15 December, 2014 - 23:17
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02351J, PaperMasaki Yamamura, Shinya Yazaki, Motofumi Seki, Yasunori Matsui, Hiroshi Ikeda, Tatsuya Nabeshima
Artificial light-harvesting systems, Ar,O-BODIPY dyads and triads conjugated with a light harvester, were synthesized in high yield by the reaction of an N2O2-type dipyrrin with boronic acids. Dyad 2 having...
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New Dimeric Lipids Derived from [small alpha]-Tocopherol as Efficient Gene Transfection Agents. Mechanistic Insights into Lipoplex Internalization and Therapeutic Induction of Apoptotic Activity

Org. and Biomol. Chem. - 15 December, 2014 - 23:17
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02063D, PaperKrishan Kumar, Bappa Maiti, Paturu Kondaiah, Santanu Bhattacharya
In this report, we present cationic dimeric (gemini) lipids for significant plasmid DNA (pDNA) delivery to different cell lines without any marked toxicity in the presence of serum. Six gemini...
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Uncovering new structural insights for antimalarial activity from cost-effective aculeatin-like derivatives

Org. and Biomol. Chem. - 15 December, 2014 - 23:17
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02459A, PaperMatthias Winkler, Marjorie Maynadier, sharon wein, marie-ange lespinasse, giovanna boumis, Adriana Miele, henri vial, yung-sing wong
A series of new aculeatin-like analogues were synthesized in two steps by combining two sets of building blocks. Many compounds showed inhibitory activities in vitro against Plasmodium falciparum and have...
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Copper(II)-catalyzed coupling reaction: an efficient and regioselective approach to N',N'-diaryl acylhydrazines

Org. and Biomol. Chem. - 15 December, 2014 - 23:17
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02343A, PaperJi-Quan Zhang, Gong-Bin Huang, Jiang Weng, Gui Lu, Albert S. C. Chan
Using N'-aryl acylhydrazines as aryl donors, a novel copper(II)-catalyzed homo-coupling reaction of N'-aryl acylhydrazines has been developed for the synthesis of N',N'-diaryl acylhydrazines. We also provided a complementary procedure for...
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Synthesis of enantiopure glycidol derivatives via a one-pot two-step enzymatic cascade

Org. and Biomol. Chem. - 15 December, 2014 - 23:17
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02186J, PaperZhong-Liu Wu, Yu-Chang Liu, Yan Liu
Styrene monooxygenase (SMO) can catalyze the kinetic resolution of secondary allylic alcohols to provide enantiopure glycidol derivatives. To overcome the low theoretical yield of kinetic resolution, we designed a one-pot...
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Chemoenzymatic flow cascade for the synthesis of protected mandelonitrile derivatives

Org. and Biomol. Chem. - 15 December, 2014 - 23:17
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02128B, CommunicationMarielle Delville, Kaspar Koch, Jan C M van Hest, Floris PJT Rutjes
A chemoenzymatic two-step cascade process, with both steps having incompatible reaction conditions, was successfully performed in continuous flow. The chemoenzymatic aqueous formation of cyanohydrins was combined with a subsequent organic...
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A Microwave-Assisted Multicomponent Synthesis of Substituted 3,4-Dihydroquinazolinones

Org. and Biomol. Chem. - 15 December, 2014 - 23:17
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02417F, PaperMarc Y Stevens, Krzysztof Wieckowski, Peng Wu, Rajiv T Sawant, Luke R Odell
A microwave-assisted, multicomponent protocol for the synthesis of substituted 3,4-dihydroquinazolinones via a novel cascade imine/cyclization/aza-Henry reaction sequence is reported. Starting from o-carbamoyl aldehydes, a series of structurally diverse 3,4-dihydroquinazolinones was...
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Understanding the Domino Reaction between 3-Chloroindoles and Methyl Coumalate yielding Carbazoles. A DFT Study.

Org. and Biomol. Chem. - 15 December, 2014 - 23:17
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02340D, PaperLuis R. Domingo, Jose Antonio Saez, Saeed R. Emamian
The molecular mechanism of the reaction between N-methyl-3-chloroindole and methyl coumalate yielding carbazole has been studied using DFT methods at the MPWB1K/6-311G(d,p) level in toluene. This reaction is a domino...
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